国家/地区 中国（4）
IPC部 C（4）
IPC大类 C01（4）
IPC小类 C01B（4）
IPC H01J009/02（4）
发明人
公开年 2020（2）
申请年 2020（2） 
专利权人

Preparation of nitrogen-doped reducing graphene oxide field emitting cathode used e.g. for field emission device, by mixing graphene oxide and organic adhesive, dispersing, using one end of graphite rod to dip, and drying graphite rod.

SONG Y, YU Y, LI B

Field emission cathode based on graphene/metamaterial composite nanostructures used in the field of high brightness and coherent electron sources comprises e.g. base material on patterned vertical carbon nanotube array and graphene material.

XU J, SHI Y, ZHANG X

Epitaxially growing cold cathode field emitting material, i.e. carbon film, on silicon carbide substrate by controlling density and length-width ratio of graphene strip through pressure and temperature in growth process.

WANG G, WANG W, JIA Y, CHEN X, GUO L, LI K, HUANG Q, PENG T, LIN J

Carbon fiber for field electron emitter, includes edges of hexagonal carbon layers exposed to large ring end of graphene layers, to function as electron emission tips.

YANAGISAWA T, ENDO M